The provisions of the agreement that eliminate dual Social Security coverage and taxes
            apply to:
         
         
            - 
               
                  • 
                     U.S. Social Security taxes (Federal Insurance Contributions Act (FICA) and Self-Employment
                        Contributions Act (SECA)) including the Medicare portion; and
                      
 
 
- 
               
                  • 
                     Czech Social Security taxes that finance old-age, survivors, disability and unemployment
                        insurance.
                      
 
 
NOTE: On May 1, 2016, a supplementary agreement between the United States and the Czech
            Republic entered into force as described in GN 01749.105A. Beginning on that date, the U.S. workers exempt from Czech old-age, survivors, disability
            and unemployment insurance will also become exempt from paying Czech health insurance
            taxes.